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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1618 (Engine Mechanical - 4.3L) >> Repair Instructions >> On-Vehicle Repair Instructions >> Oil Pan Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2003 GMC Sierra and 2003 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Raise and suitably support the vehicle. Refer to JACKING AND LIFTING .
  2. If equipped, remove the oil pan skid plate bolts and plate.
    Fig 1: Oil Pan Skid Plate & Bolts
    G02105982Courtesy of GENERAL MOTORS CORP.
  3. Remove the drain plug and drain the oil into a suitable container.
    Fig 2: Drain Plug
    G02105983Courtesy of GENERAL MOTORS CORP.
  4. Remove the oil filter.
    Fig 3: Oil Filter
    G02105984Courtesy of GENERAL MOTORS CORP.
  5. If equipped with 2WD, remove the crossmember bolts and bar.
    Fig 4: Crossmember Bar & Bolts
    G02105985Courtesy of GENERAL MOTORS CORP.
  6. If equipped with 4WD, remove the crossmember bolts and bar.
  7. If equipped with 4WD, remove the front differential carrier. Refer to DIFFERENTIAL CARRIER ASSEMBLY REPLACEMENT .
    Fig 5: Crossmember Bar & Bolts (4WD)
    G02105986Courtesy of GENERAL MOTORS CORP.
  8. Remove the battery cable bracket bolts.
  9. Remove the starter. Refer to STARTER MOTOR .
    Fig 6: Battery Cable Bracket Bolts
    G02105987Courtesy of GENERAL MOTORS CORP.
  10. Remove the transmission cover.
    Fig 7: Transmission Cover
    G02105988Courtesy of GENERAL MOTORS CORP.
  11. Remove the positive battery cable clip bolt (2).
    Fig 8: Positive Battery Cable Clip Bolt
    G02105989Courtesy of GENERAL MOTORS CORP.
  12. Disconnect the oil level sensor electrical connector (7).
    Fig 9: Oil Level Sensor Electrical Connector
    G02105990Courtesy of GENERAL MOTORS CORP.
  13. Remove the manual transmission bolts, if equipped.
    Fig 10: Manual Transmission Bolts
    G02105991Courtesy of GENERAL MOTORS CORP.
  14. Remove the automatic transmission bolts, if equipped.
    Fig 11: Automatic Transmission Bolts
    G02105992Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: The oil level sensor is not reusable.
  15. Remove and discard the oil level sensor.
    Fig 12: Oil Level Sensor
    G02105993Courtesy of GENERAL MOTORS CORP.
  16. Remove the oil pan bolts and nuts.
    Fig 13: Oil Pan Bolts & Nuts
    G02105994Courtesy of GENERAL MOTORS CORP.
  17. Remove the oil pan.
    Fig 14: Oil Pan
    G02105995Courtesy of GENERAL MOTORS CORP.
  18. Remove and discard the oil pan gasket.
  19. Clean and inspect the oil pan, if necessary. Refer to Oil Pan Cleaning and Inspection .
    Fig 15: Oil Pan Gasket
    G02105996Courtesy of GENERAL MOTORS CORP.
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